1 files changed, 128 insertions, 0 deletions

diff --git a/meta/recipes-core/glibc/glibc/0025-Revert-Linux-Implement-a-useful-version-of-_startup_.patch b/meta/recipes-core/glibc/glibc/0025-Revert-Linux-Implement-a-useful-version-of-_startup_.patch
new file mode 100644
index 0000000000..1982598339
--- /dev/null
+++ b/meta/recipes-core/glibc/glibc/0025-Revert-Linux-Implement-a-useful-version-of-_startup_.patch
@@ -0,0 +1,128 @@
+From 18b04419d5984f5c6c89fab5e72fcdd1942491cb Mon Sep 17 00:00:00 2001
+From: Martin Jansa <Martin.Jansa@gmail.com>
+Date: Sun, 7 Aug 2022 12:51:48 +0200
+Subject: [PATCH] Revert "Linux: Implement a useful version of _startup_fatal"
+
+This reverts commit a2a6bce7d7e52c1c34369a7da62c501cc350bc31.
+
+Upstream-Status: Inappropriate [temporary work around]
+
+Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
+---
+ sysdeps/unix/sysv/linux/i386/startup.h | 23 ++++++++++++---
+ sysdeps/unix/sysv/linux/ia64/startup.h | 22 ---------------
+ sysdeps/unix/sysv/linux/startup.h      | 39 --------------------------
+ 3 files changed, 19 insertions(+), 65 deletions(-)
+ delete mode 100644 sysdeps/unix/sysv/linux/ia64/startup.h
+ delete mode 100644 sysdeps/unix/sysv/linux/startup.h
+
+diff --git a/sysdeps/unix/sysv/linux/i386/startup.h b/sysdeps/unix/sysv/linux/i386/startup.h
+index 213805d7d2..67c9310f3a 100644
+--- a/sysdeps/unix/sysv/linux/i386/startup.h
++++ b/sysdeps/unix/sysv/linux/i386/startup.h
+@@ -1,5 +1,5 @@
+ /* Linux/i386 definitions of functions used by static libc main startup.
+-   Copyright (C) 2022 Free Software Foundation, Inc.
++   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+ 
+    The GNU C Library is free software; you can redistribute it and/or
+@@ -16,7 +16,22 @@
+    License along with the GNU C Library; if not, see
+    <https://www.gnu.org/licenses/>.  */
+ 
+-/* Can't use "call *%gs:SYSINFO_OFFSET" during startup.  */
+-#define I386_USE_SYSENTER 0
++#if BUILD_PIE_DEFAULT
++/* Can't use "call *%gs:SYSINFO_OFFSET" during statup in static PIE.  */
++# define I386_USE_SYSENTER 0
+ 
+-#include_next <startup.h>
++# include <sysdep.h>
++# include <abort-instr.h>
++
++__attribute__ ((__noreturn__))
++static inline void
++_startup_fatal (const char *message __attribute__ ((unused)))
++{
++  /* This is only called very early during startup in static PIE.
++     FIXME: How can it be improved?  */
++  ABORT_INSTRUCTION;
++  __builtin_unreachable ();
++}
++#else
++# include_next <startup.h>
++#endif
+diff --git a/sysdeps/unix/sysv/linux/ia64/startup.h b/sysdeps/unix/sysv/linux/ia64/startup.h
+deleted file mode 100644
+index 77f29f15a2..0000000000
+--- a/sysdeps/unix/sysv/linux/ia64/startup.h
++++ /dev/null
+@@ -1,22 +0,0 @@
+-/* Linux/ia64 definitions of functions used by static libc main startup.
+-   Copyright (C) 2022 Free Software Foundation, Inc.
+-   This file is part of the GNU C Library.
+-
+-   The GNU C Library is free software; you can redistribute it and/or
+-   modify it under the terms of the GNU Lesser General Public
+-   License as published by the Free Software Foundation; either
+-   version 2.1 of the License, or (at your option) any later version.
+-
+-   The GNU C Library is distributed in the hope that it will be useful,
+-   but WITHOUT ANY WARRANTY; without even the implied warranty of
+-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+-   Lesser General Public License for more details.
+-
+-   You should have received a copy of the GNU Lesser General Public
+-   License along with the GNU C Library; if not, see
+-   <https://www.gnu.org/licenses/>.  */
+-
+-/* This code is used before the TCB is set up.  */
+-#define IA64_USE_NEW_STUB 0
+-
+-#include_next <startup.h>
+diff --git a/sysdeps/unix/sysv/linux/startup.h b/sysdeps/unix/sysv/linux/startup.h
+deleted file mode 100644
+index 39859b404a..0000000000
+--- a/sysdeps/unix/sysv/linux/startup.h
++++ /dev/null
+@@ -1,39 +0,0 @@
+-/* Linux definitions of functions used by static libc main startup.
+-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+-   This file is part of the GNU C Library.
+-
+-   The GNU C Library is free software; you can redistribute it and/or
+-   modify it under the terms of the GNU Lesser General Public
+-   License as published by the Free Software Foundation; either
+-   version 2.1 of the License, or (at your option) any later version.
+-
+-   The GNU C Library is distributed in the hope that it will be useful,
+-   but WITHOUT ANY WARRANTY; without even the implied warranty of
+-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+-   Lesser General Public License for more details.
+-
+-   You should have received a copy of the GNU Lesser General Public
+-   License along with the GNU C Library; if not, see
+-   <https://www.gnu.org/licenses/>.  */
+-
+-#ifdef SHARED
+-# include_next <startup.h>
+-#else
+-# include <sysdep.h>
+-
+-/* Avoid a run-time invocation of strlen.  */
+-#define _startup_fatal(message)                                         \
+-  do                                                                    \
+-    {                                                                   \
+-      size_t __message_length = __builtin_strlen (message);             \
+-      if (! __builtin_constant_p (__message_length))                    \
+-        {                                                               \
+-          extern void _startup_fatal_not_constant (void);               \
+-          _startup_fatal_not_constant ();                               \
+-        }                                                               \
+-      INTERNAL_SYSCALL_CALL (write, STDERR_FILENO, (message),           \
+-                             __message_length);                         \
+-      INTERNAL_SYSCALL_CALL (exit_group, 127);                          \
+-    }                                                                   \
+-  while (0)
+-#endif  /* !SHARED */